Svogthos, the Restless Tomb
Duel Decks: Izzet vs. Golgari — Uncommon
: Add to your mana pool.
: Until end of turn, Svogthos, the Restless Tomb becomes a black and green Plant Zombie creature with "This creature's power and toughness are each equal to the number of creature cards in your graveyard." It's still a land.